Refereed Publications

64. New Limits on Gamma-Ray Emission from Galaxy Clusters

R. D. Griffin, X. Dai, C. S. Kochanek 2014, ApJ 795, L21, arXiv:1405.7047

63. Unifying X-ray Scaling Relations from Galaxies to Clusters

M. E. Anderson, M. Gaspari, S. D. M. White, W. Wang, X. Dai 2014, MNRAS, submitted, arXiv:1409.6965

62. An integrated Sachs-Wolfe effect vs redshift test for the cosmological parameters

R. Kantowski, B. Chen, X. Dai 2014, PhRVD, submitted, arXiv:1410.4608

61. The Structure of HE 1104-1805 from Infrared to X-Ray

J. A. Blackburne, C. S. Kochanek, B. Chen, X. Dai, G. Chartas 2014, ApJ accepted, arXiv:1304.1620

60. A Simple Gravitational Lens Model For Cosmic Voids

B. Chen, R. Kantowski, X. Dai 2013, ApJ submitted, arXiv:1310.7574

59. Embedded Lensing Time Delays, the Fermat Potential, and the Integrated Sachs-Wolfe Effect

B. Chen, R. Kantowski, X. Dai 2013, ApJ submitted, arXiv:1311.4328

58. The Optical, Ultraviolet, and X-ray Structure of the Quasar HE 0435-1223

J. A. Blackburne, C. S. Kochanek, B. Chen, X. Dai, and G. Chartas 2014, ApJ, 789, 125, arXiv:1112.0027

57. Unveiling the Intrinsic X-ray Properties of Broad Absorption Line Quasars with a Relatively Unbiased Sample

L. K. Morabito, X. Dai, K. M. Leighly, G. R. Sivakoff, F. Shankar 2014, ApJ, 786, 58, arXiv:1309.5978

56. Fermat's Least-Time Principle and the Embedded Transparent Lens

R. Kantowski, B. Chen, X. Dai 2013, Phys. Rev. D, 88, 083001, arXiv:1303.6648

55. Dust, Gas, and Metallicities of Cosmologically Distant Lens Galaxies

B. Chen, X. Dai, C. S. Kochanek, G. Chartas 2013, ApJ, submitted, arXiv:1306.0008

54. The Structure of the X-ray and Optical Emitting Regions of the Lensed Quasar Q 2237+0305

A. M. Mosquera, C. S. Kochanek, B. Chen, X. Dai, J. A. Blackburne, G. Chartas 2013, ApJ, 769, 53, arXiv:1301.5009

53. Effects of Kerr Strong Gravity on Quasar X-ray Microlensing

B. Chen, X. Dai, E. Baron and R. Kantowski 2013, ApJ, 769, 131, arXiv:1211.6487

52. The Hidden Fortress: structure and substructure of the complex strong lensing cluster SDSS J1029+2623

M. Oguri, T. Schrabback, E. Jullo, N. Ota, C. S. Kochanek, X. Dai, E. O. Ofek, G. T. Richards, R. D. Blandford, E. E. Falco, J. Fohlmeister 2013, MNRAS, 429, 482, arXiv:1209.0458

51. Inclination-Dependent AGN Flux Profiles From Strong Lensing of the Kerr Space-Time

B. Chen, X. Dai, and E. Baron 2013, ApJ, 762, 122, arXiv:1211.2510

50. On Absorption by Circumstellar Dust, With the Progenitor of SN2012aw as a Case Study

C. S. Kochanek, R. Khan, and X. Dai 2012, ApJ, 759, 20, arXiv:1208.4111

49. SN2002bu -- Another SN2008S-like Transient

D. M. Szczygiel, C. S. Kochanek, and X. Dai 2012, ApJ, 760 20, arXiv:1208.2688

48. A Two Year Time Delay for SDSS J1029+2623

J. Fohlmeister, C. S. Kochanek, E. E. Falco, J. Wambsganss, M. Oguri, X. Dai 2013, ApJ 764, 186, arXiv:1207.5776

47. Image Properties of Embedded Lenses

R. Kantowski, B. Chen, X. Dai 2012, Phys. Rev. D, 86, 043009, arXiv:1206.2936

46. Extended Hot Halos Around Isolated Galaxies Observed in the ROSAT All-Sky Survey

M. E. Anderson, J. N. Bregman, X. Dai 2013, ApJ, 762, 106, arXiv:1211.5140

45. Further Evidence that Quasar X-Ray Emitting Regions Are Compact: X-Ray and Optical Microlensing in the Lensed Quasar Q J0158-4325

C. W. Morgan, L. J. Hainline, B. Chen, M. Tewes, C. S. Kochanek, X. Dai, S. Kozlowski, J. A. Blackburne, A. M. Mosquera, G. Chartas, F. Courbin, G. Meylan 2012, ApJ, 756, 52, arXiv:1205.4727

44. Revealing the Structure of an Accretion Disk Through Energy Dependent X-ray Microlensing

G. Chartas, C. S. Kochanek, X. Dai, D. Moore, A. M. Mosquera, J. A. Blackburne 2012, ApJ, 757, 137, arXiv:1204.4480

43. X-ray Monitoring of Gravitational Lenses With Chandra

B. Chen, X. Dai, C. S. Kochanek, G. Chartas, J. A. Blackburne, C. Morgan 2012, ApJ, 755, 24, arXiv:1202.5304

42. The Chandra View of the Largest Quasar Lens SDSS J1029+2623

N. Ota, M. Oguri, X. Dai, C. S. Christopher, G. T. Richards, E. O. Ofek, R. D. Blandford, T. Schrabback, N. Inada, 2012, ApJ, 758, 26, arXiv:1202.1645

41. XMM-Newton Detects a Hot Gaseous Halo in the Fastest Rotating Spiral Galaxy UGC 12591

X. Dai, M. E. Anderson, J. N. Bregman, and J. M. Miller 2012, ApJ, 755, 107, arXiv:1112.0324

40. A Bayesian Monte-Carlo Analysis of the M-Sigma Relation

L. K. Morabito and X. Dai, 2012, ApJ, 757, 172, arXiv:1208.3900

39. The Intrinsic Fraction and Radio Properties of Low Ionization Broad Absorption Line Quasars

X. Dai, F. Shankar, G. R. Sivakoff, 2012, ApJ , 757, 180, arXiv:1004.0700

38. Discovery of Energy Dependent X-ray Microlensing in Q2237+0305

B. Chen, X. Dai, C. S. Kochanek, G. Chartas, J. A. Blackburne, S. Kozlowski 2011, ApJ, 740, L34, arXiv:1106.6052

37. The Gravitational Lens Equation for Embedded Lenses; Magnification and Ellipticity

B. Chen, R. Kantowski, and X. Dai, 2011, Phys. Rev. D, 84, 083004, arXiv:1106.2205

36. Suzaku Observations of Three FeLoBAL QSOs, SDSS J0943+5417, J1352+4239, and J1723+5553

L. K. Morabito, X. Dai, K. M. Leighly, G. R. Sivakoff, F. Shankar, 2011, ApJ, 737, 46, arXiv:1011.4327

35. Time Delay in Swiss Cheese Gravitational Lensing

B. Chen, R. Kantowski, and X. Dai, 2010, Phys. Rev. D, 82, 043005, arXiv:1006.3500

34. XMM-Newton Observations of the Radio-Loud Broad Absorption Line Quasar FBQS J131213.5+231958

S. Mathur and X. Dai 2010, AJ, 140, 1960

33. Metal Production in Galaxy Clusters: The Non-Galactic Component

J. N. Bregman, M. E. Anderson, X. Dai 2010, ApJ, 716, L63, arXiv:1005.1933

32. On the Baryon Fractions in Clusters and Groups of Galaxies

X. Dai, J. N. Bregman, C. S. Kochanek, E. Rasia 2010, ApJ, 719, 119, arXiv:0911.2230

31. Further Constraining Galaxy Evolution Models through the Size Function of SDSS Early-Type Galaxies

F. Shankar, F. Marulli, M. Bernardi, M. Boylan-Kolchin, X. Dai, S. Khochfar, 2010, MNRAS, 405, 948, arXiv:1002.3394

30. Gravitational Lensing Corrections in Flat LCDM Cosmology

R. Kantowski, B. Chen, and X. Dai, 2010, ApJ, 718, 913, arXiv:0909.3308

29. The Sizes of the X-ray and Optical Emission Regions of RXJ1131-1231

X. Dai, C. S. Kochanek, G. Chartas, S. Kozlowski, C. W. Morgan, G. Garmire, E. Agol, 2010, ApJ, 709, 278, arXiv:0906.4342

28. Sizes and ages of SDSS ellipticals: Comparison with Hierarchical Galaxy Formation Models

F. Shankar, F. Marulli, M. Bernardi, X. Dai, J. B. Hyde and R. K. Sheth 2010, MNRAS, 403, 117, arXiv:0912.0012

27. The Relative Growth of Optical and Radio Quasars in SDSS

F. Shankar, G. R. Sivakoff, M. Vestergaard, X. Dai, 2010, MNRAS, 401, 1869, arXiv:0909.4092

26. Intensity Distribution and Luminosity Function of the Swift Gamma-Ray Bursts

X. Dai, 2009, ApJ, 697, L68, arXiv:0812.4466

25. Mid-Infrared Galaxy Luminosity Functions from the AGN and Galaxy Evolution Survey

X. Dai, R. J. Assef, C. S. Kochanek, M. Brodwin, M. J. I. Brown, N. Caldwell, R. J. Cool, A. Dey, P. Eisenhardt, D. Eisenstein, A. H. Gonzalez, B. T. Jannuzi, C. Jones, S. S. Murray, D. Stern, 2009, ApJ, 697, 506, arXiv:0902.2812

24. X-ray Microlensing in RXJ1131-1231 and HE1104-1805

G. Chartas, C. S. Kochanek, X. Dai, S. Poindexter, G. Garmire, 2009, ApJ, 693, 174, arXiv:0805.4492

23. Differential X-ray Absorption and Dust-To-Gas Ratios of the Lens Galaxies SBS0909+523, FBQS0951+2635, and B1152+199

X. Dai and C. S. Kochanek, 2009, ApJ, 692, 677, arXiv:0803.1679

22. X-ray and Optical Microlensing in the Lensed Quasar PG1115+080

C. W. Morgan, C. S. Kochanek, X. Dai, N. D. Morgan, E. E. Falco, 2008, ApJ, 689, 755, arXiv:0802.1210

21. The Rapidly Flaring Afterglow of the Very Bright and Energetic GRB 070125

A. C. Updike and 54 authors including X. Dai, 2008, ApJ, 685, 361, arXiv:0805.1094

20. Dependence of the BALQSO Fraction on Radio Luminosity

F. Shankar, X. Dai, G. R. Sivakoff, 2008, ApJ, 687 859, arXiv:0801.4379

19. Go Long, Go Deep: Finding Optical Jet Breaks for Swift-Era GRBs with the LBT

X. Dai, P. Garnavich, J. L. Prieto, K. Z. Stanek, C. S. Kochanek and 18 colleagues, 2008, ApJ 682, L77, arXiv:0712.2239

18. Variable X-ray Absorption towards Gravitationally-Lensed Blazar PKS1830-211

X. Dai, S. Mathur, G. Chartas, N. Sunita, G. P. Garmire, 2008, AJ, 135, 333, arXiv:0707.2053

17. Confirmation of a Correlation between the X-ray Luminosity and Spectral Slope of AGNs in the Chandra Deep Fields

C. Saez, G. Chartas, W. N. Brandt, B. D. Lehmer, F. E. Bauer, X. Dai, G. P. Garmire, 2008, AJ, 135, 1505, arXiv:0801.3599

16. 2MASS Reveals a Large Intrinsic Fraction of BALQSOs

X. Dai, F. Shankar, G. R. Sivakoff, 2008, ApJ, 672, 108, arXiv:0704.2882

15. Discovery of Probable Relativistic Fe Emission and Absorption in the Cloverleaf Quasar H1413+117

G. Chartas, M. Eracleous, X. Dai, E. Agol, & S. Gallagher, 2007, ApJ, 661, 678, astro-ph/0702742

14. Optical and X-Ray Observations of GRB 060526: A Complex Afterglow with An Achromatic Jet Break

X. Dai, J. P. Halpern, N. D. Morgan, E. Armstrong, N. Mirabal, J. B. Haislip, D. E. Reichart, & K. Z. Stanek, 2007, ApJ, 658, 509, astro-ph/0609269

13. X-ray Properties of Optically-Selected Galaxy Clusters

X. Dai, C. S. Kochanek, & N. D. Morgan, 2007, ApJ, 658, 917, astro-ph/0606002

12. Time-Delay Measurement for the Quadruple Lens RXJ1131-1231

N. D. Morgan, C. S. Kochanek, E. E. Falco, & X. Dai, 2006, submitted to ApJ, astro-ph/0605321

11. Anomalous GRB Afterglows Are Common: Two z~4 Bursts, GRB 060206 and GRB060210

K. Z. Stanek, X. Dai, J. Prieto, D. An, P. M. Garnavich, M. L. Calkins, G. Worthy, H. Hao, A. Dobrzycki, & T. Matheson, 2007, ApJ, 654, L21, astro-ph/0602495

10. SDSS J1029+2623: A Gravitationally Lensed Quasar with an Image Separation of 22.5 Arcseconds

N. Inada and 18 authors including X. Dai, 2006, ApJ, 653, L97, astro-ph/0611275

9. Probing The Dust-To-Gas Ratio of z > 0 Galaxies Through Gravitational Lenses

X. Dai, C. S. Kochanek, G. Chartas, & S. Mathur, 2006, ApJ, 637, 53, astro-ph/0507392

8. Discovery of a Double Peaked Fe Emission Line in the Cloverleaf Quasar H1413+117

G. Chartas, M. Eracleous, X. Dai, E. Agol, & S. Gallagher, 2006, Astronomische Nachrichten, 327, 1063

7. Chandra Observations of Gravitational Lenses B1600+434 and B1608+656

X. Dai & C. S. Kochanek, 2005, ApJ, 625, 333, astro-ph/0502007

6. A Global Test of a Quasi-Universal Gamma-Ray Burst Jet Model Through Monte-Carlo Simulations

X. Dai & B. Zhang, 2005, ApJ, 621, 875, astro-ph/0407272

5. A Study of QSO Evolution in the X-Ray Band with the Aid of Gravitational Lensing

X. Dai, G. Chartas, M. Eracleous, & G. P. Garmire, 2004, ApJ, 605, 45, astro-ph/0401013

4. Quasi-Universal Gaussian Jets: A Unified Picture for Gamma-ray Bursts and X-Ray Flashes

B. Zhang, X. Dai, N. Lloyd-Ronning, & P. Meszaros, 2004, ApJ, 601, L119, astro-ph/0311190

3. On the Structure of Quasi-Universal Jets for Gamma-Ray Bursts

N. Lloyd-Ronning, X. Dai, & B. Zhang, 2004, ApJ, 601, 371, astro-ph/0310431

2. Chandra Observations of QSO 2237+0305

X. Dai, G. Chartas, E. Agol, M. W. Bautz, & G. P. Garmire, 2003, ApJ, 589, 100, astro-ph/0301592

1. Chandra Detects a Rapid Flare in the Gravitationally Lensed Mini-Broad Absorption Line QSO RX J0911.4+0551

G. Chartas, X. Dai, S. C. Gallagher, G. P. Garmire, M. W. Bautz, P. L. Schechter, & N. D. Morgan, 2001, ApJ, 558, 119, astro-ph/0104453

Conference Proceedings

5. Late-Time Optical Afterglow Observations with LBT and MDM

Dai, X., Stanek, K. Z., Garnavich, P. M. 2008, 2008 Nanjing GRB Conference, AIP Conference Series 1065, 93-97, Eds. Y.F. Huang, Z.G. Dai, B. Zhang, arXiv:0902.3285

4. Turning AGN Microlensing from a Curiosity into a Tool

Kochanek, C. S., Dai, X., Morgan, C., Morgan, N., Poindexter, S. C. G. 2007, Statistical Challenges in Modern Astronomy IV, 371, 43, G. J. Babu and E. D. Feigelson (eds.), astro-ph/0609112

3. A Study of the Evolution of Radio-Loud Quasars with the Aid of Lensing

G. Chartas, X. Dai, M. Eracleous, G. P. Garmire, 2004, 35th COSPAR Scientific Assembly. Held 18 - 25 July 2004, in Paris, France., p.3283

2. Early Afterglow, Magnetized Central Engine, And a Quasi-Universal Structured Jet Model for Long GRBs

B. Zhang, S. Kobayashi, P. Meszaros, N. M. Lloyd-Ronning, X. Dai, 2004, ``Gamma-ray Bursts: 30 Years of Discovery'', Sante Fe meeting (eds. E. Fenimore et al), astro-ph/0312438

1. Chandra and XMM-Newton Results on the Hubble Constant from Gravitational Lensing

G. Chartas, X. Dai, G. P. Garmire, 2004, Carnegie Observatories Astrophysics Series, Vol. 2: Measuring and Modeling the Universe, ed. W. L. Freedman (Pasadena: Carnegie Observatories,